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EP 2 599 361 A1

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(43) Date of publication: 05.06.2013 Bulletin 2013/23 (21) Application number: 11743694.9 (22) Date of filing: 15.07.2011

(51) International Patent Classification (IPC):  H04W 76/04(2009.01) H04W 88/16(2009.01) H04W 4/22(2009.01) (86) International application number: PCT/US2011/044177 (87) International publication number: WO 2012/018501 (09.02.2012 Gazette 2012/06)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 11.07.2011 US 201113180032 31.07.2010 US 369700 P (71) Applicant: Motorola Solutions, Inc. Schaumburg, IL 60196 (US)

(72) Inventors: MILLER, Trent, J. West Chicago, Illinois 60185 (US) AGULNIK, Anatoly Deerfield, Illinois 60015 (US) EKL, Randy, L. Lake Zurich, Illinois 60047 (US) MAROCCHI, James, A. Winfield, Illinois 60190 (US) PANDEY, Aparna Chicago, Illinois 60610 (US) THOMAS, Peter, E. Schaumburg, Illinois 60194 (US) (74) Representative: Treleven, Colin et al Optimus Patents Limited Grove House Lutyens Close Chineham Court Basingstoke, RG24 8AG Basingstoke, RG24 8AG (GB)